<template>
  <div>
       <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
         <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
      <el-col :span="8">
        <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList" @change="getGoodsList">
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddpage">添加商品</el-button>
      </el-col>
      </el-row>
       <!-- 用户类表区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" label="序列"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" class="goods-name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog = false"></el-button>           
            <!-- 删除按钮 -->
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>                 
          </template>
        </el-table-column>
      </el-table>

       <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
  </div>
</template>

<script>
  export default {
      data() {
          return {
             // 获取参数的类表对象
        queryInfo: {
          query: '',
          // 当前的页数
          pagenum: 1,
          // 当前页数显示的条数
          pagesize: 5
        },
        // 获取商品列表
        goodslist: [],
        // 总页数
        total: 0
          }
      },
      created() {
        this.getGoodsList()
      },
      methods: {
       async getGoodsList() {
            const {data: res} = await this.$http.get('goods', {params: this.queryInfo})
            if(res.meta.status !== 200) return this.$message.error('获取用户类表失败!')
            this.goodslist = res.data.goods
            this.total = res.data.total
            console.log(res);
        },
         // 监听 pagesize 改变的事件
      handleSizeChange(newSize) {
          // console.log(newSize);
          this.queryInfo.pagesize = newSize
          this.getGoodsList()
          
      },
      // 监听 页码值 改变的事件
      handleCurrentChange(newPage) {
          // console.log(newPage);
          this.queryInfo.pagenum = newPage
          this.getGoodsList()
          
      },
       // 根据文本删除对应的id
      async removeById(id) {
        //  console.log(id);
        // 弹框提示询问用户是否删除信息
       const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
         
        // console.log(confirmResult);
        if(confirmResult !== 'confirm') {
          return this.$message.info('已取消删除')
        }
        // console.log('确认了删除');
        const {data: res} = await this.$http.delete('goods/' + id)
          if(res.meta.status !== 200) {
            this.$message.error('删除用户失败!')
          } 
          this.$message.success('删除用户成功!')
          // 重新获取用户类表数据
          this.getGoodsList()
       },
       // 实现编程式导航跳转页面
       goAddpage() {
         this.$router.push('/goods/add')
       }
      }
}
</script>

<style lang="less" scoped>
</style>

